T5 par after 1yr?

i am 19 months into that, however i ahve no PAr meter.. really i dont think par has dropped much at all. the tank is whiter in color, but the sps i have and clam as well as the rest of the corals are doing as they did 15 months ago
 
just a thought, but when the lamps do need to be replaced it might be a good idea to swap one out at a time, and then the others every other week or so.

this way, they get acclimated to the higher intensity slowly just like they got use to the light loss slowly.

jtth (just trying to help)
 
TI...send your old bulbs to someone and have them do a measurement...just a thought..of course you have to replace them first
 
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